<template>
<div class="header">
    <van-icon name="arrow-left"  class="icon" @click="toBack"/>
    <div>{{ title }}</div>
    <div class="edit" v-if="edit" @click="handleEdit">
      {{ store.state.edit ? "编辑" : "完成" }}
    </div>
</div>
</template>
<script>
import { Toast } from "vant";
import { useRouter } from "vue-router";
import { useStore } from "vuex";
export default{
    props:[
        'title',"edit"
    ],
    setup() {
    const store = useStore();
    const router = useRouter();
    const toBack = () => {
      router.back();
    };
    const handleEdit = () => {
      if (store.state.cartList.length) {
        store.commit("edit");
        store.commit("changeDelete");
      } else {
        Toast.fail("请添加商品到购物车!");
      }
    };
    return {
      toBack,
      handleEdit,
      store,
    };
  },
};
</script>
<style lang="less" scoped>
.header {
    background-color: #fff;
    height: 40px;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #d7d7d7;
    .edit {
      font-size: 16px;
      position: absolute;
      right: 15px;
      font-weight: normal;
    }
    .icon {
      position: absolute;
      left: 10px;
    }
  }</style>